Ardour
A professional digital audio workstation for recording, editing and mixing audio and MIDI.GetGPL-2.0+
BlackHole
A virtual audio loopback driver for routing sound from one Mac application into another.
GPL-3.0 · Downloads from existential.audio
- License
- GPL-3.0
- Open source
- Source
- GitHub
- ExistentialAudio
- Verified
- 2026
About BlackHole
BlackHole installs a virtual audio device that appears as both an output and an input. Send an app's sound to it and another app can record or process that signal, which is a common building block for screen recordings, podcasts, streaming and audio routing setups.
It is a driver with no interface of its own: you select it in Audio MIDI Setup or in the apps you connect. Installers come from the official site or the Homebrew casks in 2, 16 and 64 channel variants. The source is GPL-3.0, while the official binaries, name and logo are reserved by Existential Audio, and projects that are not GPL-3.0 need a separate license.
Information
- Source code
- ExistentialAudio/BlackHole
- License
- GPL-3.0
- Website
- existential.audio
- Download
- existential.audio
- Category
- Media
- Evidence checked
- Tags
Maco links to each project’s official download. Check its release notes for macOS version and Apple silicon support. The verification date records our license and source review, not a security audit.
Sources and image credits
- github.com/ExistentialAudio/BlackHole
- github.com/ExistentialAudio/BlackHole/blob/master/LICENSE
- existential.audio/blackhole/
- icon.png: Existential Audio Inc.. Trademark of Existential Audio Inc.; branding is reserved and not covered by the GPL-3.0 code license.
License and artwork notices
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